Backgrounds not working/available?

amlug
Fri Jun 13 13:22:10 CEST 2014
Fri Jun 13 13:22:10 CEST 2014

Hi,

I am trying to create a simple map. Is it correct that some backgrounds that are listed in the backgrounds panel are not available? E.g. when I click on the Natural Earth background, there is only a grey background with X'es on it. Am I doing anything wrong?